Tamara Grove
South Dakota State Senator, District 26 since 2024. Did not run for re-election in 2026; leaves office in January 2027.
- In office
- 1 yr
- Since 2024
- Bills became law
- 49
- 105 sponsored, 2025–2026 session
- Votes missed
- 0.5%
- Chamber median 0.8%
- With party
- 79%
- On votes splitting the parties
- Last margin
- +14.7
- Won 2024
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 9:43 AM ET
Committees
As of 2026-10.
- Government Operations and Audit
- Government Operations and Audit
- Health and Human Services
- Judiciary
- State-Tribal Relations
- Taxation
Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET
Legislation
Indian Tribes · Became law Mar 2026
Courts and Judiciary · Became law Mar 2026
Criminal Background Investigation · Became law Mar 2026
Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET
Voting record
Where Grove sits in the South Dakota State Senate
Grove is closer to the center than 39% of the chamber's Republicans.
Closest: Curt Voight, Chris Karr, Sue Peterson
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 5:01 PM ET
With Grove’s party
- Votes with the chamber's Republicans79%
Black tick: the average of Republicans in the South Dakota State Senate.
Source: 99chambers legislative scores from roll calls and cosponsorships
Key votes
Votes chosen for their effect, not their side: Grove’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.
| Date | Bill | Grove | Rep. majority | Dem. majority | Result |
|---|---|---|---|---|---|
| Mar 9, 2026 | HB 1082: establish parameters for the reimbursement of school districts that provide free or… | No | Yes | Yes | Passed 20–14 |
| Mar 5, 2026 | HB 1245: authorize municipalities to establish a local funding mechanism for capital improvement… | Yes | Yes | Yes | Passed 19–15 |
| Mar 5, 2026 | HB 1138: require the licensure of non-medical home care agencies, and to provide a penalty therefor. | No | Yes | Yes | Passed 20–14 |
| Mar 4, 2026 | HB 1263: eliminate an exclusion from the definition of an agricultural equipment dealer. | Yes | Yes | No | Passed 28–6 |
| Mar 3, 2026 | HB 1313: require education in prenatal human growth and development. | Yes | Yes | No | Passed 31–3 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time Grove was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.
Source: 99chambers results archive (MEDSL, Klarner, state election offices)
Elections
Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.
| Year | Race | Result | Margin |
|---|---|---|---|
| 2024 | South Dakota State Senate, District 26 | Won | R+14.7 |
Source: 99chambers results archive
Seats Grove has held
- South Dakota State Senate, District 26 · since 2024
Source: 99chambers results archive
Who Grove has run against
- Shawn Bordeaux (D) · 2024 general, won
Source: 99chambers results archive
How we know Grove
One person, matched across every source we use.
- Open States ocd-person/e195011d-04f8-4e39-a9f9-b804495b3f2c
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 9:43 AM ET